Insignia NS LCD32 09 32″LCD TV power SMPS and LVDS circuit diagram
32 inch LCD TV - Insignia - Horizontal Frequency 31~60 kHz. SMPS, Audio amplifier, Audio processor, Audio output and LVDS schematic
LVDS
SMPS
Power
Audio output
Metal Detector Based on the TDA0161
These metal detector circuit diagram is based on the TDA0161 monolithic integrated circuit , designed for metallic body detection by detecting the variations in high frequency Eddy current losses. For detecting metals , TDA0161 require an external LC tuned circuit . Metal Detector Circuit diagram Output signal is determined by supply current changes. Independent of supply voltage, this current is high or low according to the presence or the absence of a close metallic object. This metal detector circuit use two LEDs , which offer an visual indication of presence or absence at a metals ,around the coil . To adjust the circuit you need to make sure there is no metal near the coil and then set the fine adjustment to a "Mid position". After that you need to adjust the course adjustment to turn on the LED and , adjust the fine adjustment to turn off the LED. This detector electronic circuit operates over a wide range input voltage of 4 -35 volts . If you want you can use other va...
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